Roche and GenMark Diagnostics signs Definitive Merger Agreement Kumar Jeetendra | March 20, 2021 Roche, Basel, Switzerland, and GenMark Diagnostics, Carlsbad, Calif, have entered into a definitive merger agreement for Roche to completely acquire GenMark at a price of $24.05 per share in an all-cash trade. This corresponds to a total transaction value of approximately $1.8 billion on a fully diluted basis. The merger agreement has been unanimously approved …